CN102881976A - Waveguide filter for realizing functions of power divider - Google Patents
Waveguide filter for realizing functions of power divider Download PDFInfo
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- CN102881976A CN102881976A CN2011101977284A CN201110197728A CN102881976A CN 102881976 A CN102881976 A CN 102881976A CN 2011101977284 A CN2011101977284 A CN 2011101977284A CN 201110197728 A CN201110197728 A CN 201110197728A CN 102881976 A CN102881976 A CN 102881976A
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Abstract
The invention relates to a waveguide filter for realizing functions of a power divider. The waveguide filter comprises a shell, a microwave adapter, a double-screw bolt, a nut, a tuning assembly and a cover plate; the shell and the cover plate are connected to form a cavity; a side wall installing hole is arranged on the side wall at one end of the shell; a bottom wall installing hole corresponding to the side wall installing hole is arranged on the bottom wall; a waveguide connector is arranged at the other end of the shell; the double-screw bolt is fastened on the bottom wall installing hole on the bottom wall of the shell through the nut; the microwave adapter is welded with the double-screw bolt after passing through the side wall installing hole; and the tuning assembly enters the cavity after passing through the cover plate. Compared with the prior art, the waveguide filter has the advantages that the waveguide filter for realizing the functions of the power divider is simple in structure, low in cost and circuit loss, etc.
Description
Technical field
The present invention relates to a kind of filter, especially relate to a kind of waveguide filter of realizing the splitter function.
Background technology
In the modern microwave millimeter-wave systems, filter and power splitter are one of vitals, are used for channel filtering and select to separate with power signal, the quality of the whole communication system of good and bad directly impact of its performance.Filter with low insertion loss, small size, high-frequency selectivity, low cost and rapid Design etc. become the key technology requirement of filter and power splitter, and conventional filter and method for designing are difficult to adapt to the needs of modern development.The generalized chebyshev filter has sharp-pointed frequency selectivity, and group delay that again can flat filter can also form multiband filter, therefore is widely used in various microwave and millimeter wave system.
Fig. 1 is that traditional circuit realizes that the function of filter and power splitter can adopt the mode of combination of devices, realize traffic filter+power splitter function with ordinary construction: realize needing filter A, power splitter B and stube cable from mechanical structure, can take a large amount of volumes; Consider from circuit performance Insertion Loss aspect, the components and parts such as power splitter and connecting cable can produce extra at least 0.5dB above circuit loss.If the electrical property difference of power splitter adds the difference of filter separately, whole consistency can be poorer after connecting.
Summary of the invention
Purpose of the present invention is exactly the waveguide filter that a kind of simple in structure, cost is lower, circuit loss is low realization splitter function is provided in order to overcome the defective that above-mentioned prior art exists.
Purpose of the present invention can be achieved through the following technical solutions:
A kind of waveguide filter of realizing the splitter function, it is characterized in that, comprise housing, the microwave adapter, double-screw bolt, nut, tuning block, cover plate, after being connected with cover plate, described housing forms cavity, described housing one distolateral wall is provided with the sidewall installing hole, its diapire is provided with the diapire installing hole corresponding with the sidewall installing hole, the other end of described housing is provided with the connector of waveguide, described double-screw bolt by fastening nuts on the diapire installing hole of shell bottom wall, described microwave adapter passes behind the sidewall installing hole and stud welding, and described tuning block enters in the cavity after passing cover plate;
Make the frequency of filter and the coupling value of microwave adapter port reach required scope by tuning block, and make the coupling value of each microwave adapter port consistent, thereby realize the power splitter function.
Described tuning block comprises coupling tuning screw and frequency tuning screw.
Described coupling tuning screw is provided with two, respectively with close one by one corresponding setting of double-screw bolt.
Described coupling tuning screw is the silver-plated coupling tuning screw of M3, and described frequency tuning screw is the silver-plated frequency tuning screw of M3.
Described microwave adapter, double-screw bolt and coupling tuning screw are done as a whole, can arrange two groups, three groups or four groups, carry out respectively one-to-two, one minute three or one minutes four merits are divided.
Described microwave adapter is SMA microwave adapter or 2.4mm microwave adapter.
Described double-screw bolt is the silver-plated double-screw bolt of M3, and described nut is the M3 nut.
PIN pin position and the stud welding of described microwave adapter.
Compared with prior art, the present invention has the following advantages:
1) this project organization is simple and clear, and the material cost of use is relatively low, and attainable frequency range is large.
2) can be by simple realization of debugging power splitter function, and can be revised the filter return wave loss parameter.
3) in the situation of the independent power splitter that does not increase, can improve needed Q value, reduce insertion loss.
4) power splitter and filter are integrated, and have guaranteed the consistency problem of batch production.
Description of drawings
Fig. 1 is the structural representation of existing filter and power splitter;
Fig. 2 is structural representation of the present invention;
Fig. 3 is the A-A cutaway view of Fig. 2 of the present invention.
Embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
Embodiment
Such as Fig. 2, shown in 3, a kind of waveguide filter of realizing the splitter function, comprise housing 9, microwave adapter 1, double-screw bolt 3, nut 11, tuning block, cover plate 12, after being connected with cover plate 12, described housing 9 forms cavity, described housing 9 one distolateral walls are provided with the sidewall installing hole, its diapire is provided with the diapire installing hole corresponding with the sidewall installing hole, the other end of described housing 9 is provided with the connector 8 of waveguide, described double-screw bolt 3 is fastened on the diapire installing hole of housing 9 diapires by nut 11, described microwave adapter 1 welds with double-screw bolt 3 after passing the sidewall installing hole, and described tuning block enters in the cavity after passing cover plate 12;
Make the frequency of filter and the coupling value of microwave adapter port reach required scope by tuning block, and make the coupling value of each microwave adapter port consistent, thereby realize the power splitter function.
Described tuning block comprises coupling tuning screw 5 and frequency tuning screw 7.Described coupling tuning screw 5 is provided with two, respectively with close one by one corresponding setting of double-screw bolt 3.Described coupling tuning screw 5 is the silver-plated coupling tuning screw of M3, and described frequency tuning screw 7 is the silver-plated frequency tuning screw of M3.Described microwave adapter 1 is SMA microwave adapter or 2.4mm microwave adapter.Described double-screw bolt 3 is the silver-plated double-screw bolt of M3, and described nut 11 is the M3 nut.
When regulating the power splitter function, at first test cable is connected to the first microwave adapter 1 port, then screws in the silver-plated frequency tuning screw 7 of M3 at cover plate 12, be threaded to needed frequency., not in required scope, can regulate by the silver-plated coupling tuning screw 5 of M3 such as the degree of coupling, when coupling tuning screw 5 during more near the silver-plated double-screw bolt 3 of M3, be coupled stronger, until debugging is to required scope.In like manner test the second microwave adapter port, make the consistent of its coupling value and the first microwave adapter port.When the first microwave adapter place was consistent with the second microwave adapter place degree of coupling test value, filter can be realized the power splitter function.
SMA microwave adapter 1 can use 2.4mm microwave adapter to replace, thereby frequency range is increased.And microwave adapter 1, double-screw bolt 3 and coupling tuning screw 5 can arrange three pairs or four pairs, to realize one minute three or one minutes four power splitter function.
Claims (8)
1. waveguide filter of realizing the splitter function, it is characterized in that, comprise housing, the microwave adapter, double-screw bolt, nut, tuning block, cover plate, after being connected with cover plate, described housing forms cavity, described housing one distolateral wall is provided with the sidewall installing hole, its diapire is provided with the diapire installing hole corresponding with the sidewall installing hole, the other end of described housing is provided with the connector of waveguide, described double-screw bolt by fastening nuts on the diapire installing hole of shell bottom wall, described microwave adapter passes behind the sidewall installing hole and stud welding, and described tuning block enters in the cavity after passing cover plate;
Make the frequency of filter and the coupling value of microwave adapter port reach required scope by tuning block, and make the coupling value of each microwave adapter port consistent, thereby realize the power splitter function.
2. a kind of waveguide filter of realizing the splitter function according to claim 1 is characterized in that, described tuning block comprises coupling tuning screw and frequency tuning screw.
3. a kind of waveguide filter of realizing the splitter function according to claim 2 is characterized in that, described coupling tuning screw is provided with two, respectively with close one by one corresponding setting of double-screw bolt.
4. a kind of waveguide filter of realizing the splitter function according to claim 2 is characterized in that, described coupling tuning screw is the silver-plated coupling tuning screw of M3, and described frequency tuning screw is the silver-plated frequency tuning screw of M3.
5. a kind of waveguide filter of realizing the splitter function according to claim 1, it is characterized in that, described microwave adapter, double-screw bolt and coupling tuning screw are done as a whole, can arrange two groups, three groups or four groups, carry out respectively one-to-two, one minute three or one minutes four merits are divided.
6. a kind of waveguide filter of realizing the splitter function according to claim 1 is characterized in that, described microwave adapter is SMA microwave adapter or 2.4mm microwave adapter.
7. a kind of waveguide filter of realizing the splitter function according to claim 1 is characterized in that, described double-screw bolt is the silver-plated double-screw bolt of M3, and described nut is the M3 nut.
8. a kind of waveguide filter of realizing the splitter function according to claim 1 is characterized in that, PIN pin position and the stud welding of described microwave adapter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110197728.4A CN102881976B (en) | 2011-07-14 | 2011-07-14 | Waveguide filter for realizing functions of power divider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110197728.4A CN102881976B (en) | 2011-07-14 | 2011-07-14 | Waveguide filter for realizing functions of power divider |
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| Publication Number | Publication Date |
|---|---|
| CN102881976A true CN102881976A (en) | 2013-01-16 |
| CN102881976B CN102881976B (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110197728.4A Expired - Fee Related CN102881976B (en) | 2011-07-14 | 2011-07-14 | Waveguide filter for realizing functions of power divider |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106129570A (en) * | 2016-08-10 | 2016-11-16 | 中山大学 | A kind of medium power splitter with bandpass characteristics |
| CN113381142A (en) * | 2021-05-21 | 2021-09-10 | 南京智能高端装备产业研究院有限公司 | Three-passband power division filter with high frequency selectivity |
| CN114361746A (en) * | 2022-03-18 | 2022-04-15 | 惠州市岚方实业有限公司 | High-power dielectric waveguide filter |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2812313Y (en) * | 2005-06-01 | 2006-08-30 | 摩比天线技术（深圳）有限公司 | A cross coupling trimming device |
| CN200986960Y (en) * | 2006-12-12 | 2007-12-05 | 摩比天线技术（深圳）有限公司 | Coupled structure between filter and common terminal port and duplex device using the same |
| CN202167595U (en) * | 2011-07-14 | 2012-03-14 | 凯镭思通讯设备（上海）有限公司 | Waveguide filter for realizing function of power divider |
-
2011
- 2011-07-14 CN CN201110197728.4A patent/CN102881976B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2812313Y (en) * | 2005-06-01 | 2006-08-30 | 摩比天线技术（深圳）有限公司 | A cross coupling trimming device |
| CN200986960Y (en) * | 2006-12-12 | 2007-12-05 | 摩比天线技术（深圳）有限公司 | Coupled structure between filter and common terminal port and duplex device using the same |
| CN202167595U (en) * | 2011-07-14 | 2012-03-14 | 凯镭思通讯设备（上海）有限公司 | Waveguide filter for realizing function of power divider |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106129570A (en) * | 2016-08-10 | 2016-11-16 | 中山大学 | A kind of medium power splitter with bandpass characteristics |
| CN106129570B (en) * | 2016-08-10 | 2019-01-11 | 中山大学 | A kind of medium power splitter with bandpass characteristics |
| CN113381142A (en) * | 2021-05-21 | 2021-09-10 | 南京智能高端装备产业研究院有限公司 | Three-passband power division filter with high frequency selectivity |
| CN113381142B (en) * | 2021-05-21 | 2022-03-11 | 南京智能高端装备产业研究院有限公司 | Three-passband power division filter with high frequency selectivity |
| CN114361746A (en) * | 2022-03-18 | 2022-04-15 | 惠州市岚方实业有限公司 | High-power dielectric waveguide filter |
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| Publication number | Publication date |
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| CN102881976B (en) | 2014-12-24 |
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